Table of Contents

 1     Scope          
 2     References               
 3     Definitions 
        3.1     Terms defined elsewhere        
        3.2     Terms defined in this Recommendation            
 4     Abbreviations and acronyms             
 5     Routing architecture             
        5.1     Intra-domain routing mechanism         
        5.2     Inter-domain routing mechanism         
 6     Routing models       
        6.1     Shortest path routing model   
        6.2     Dual path routing model           
        6.3     Alternative routing model        
 7     Shortest path routing model             
       7.1      Construction of topology          
       7.2      The intra-domain routing         
       7.3      The inter-domain routing         
 8     Dual path routing model      
        8.1     Construction of topology          
       8.2      The intra-domain routing         
       8.3      The inter-domain routing         
 9     Alternative routing model  
        9.1     Construction of topology          
        9.2     The intra-domain routing         
        9.3     The inter-domain routing         
10     Routing procedure               
11     Security considerations      
       11.1     Security guarantee of control plane   
       11.2     Security guarantee of network connectivity   
Annex A – Path calculation in the dual path routing model    
        A.1     Construction of protection paths         
        A.2     Ear decomposition      
        A.3     Generation of ST number        
        A.4     Construction of protection routes       
        A.5     Construction of link state database     
        A.6     Forwarding table